(19)
(11) EP 0 483 043 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
09.09.1992 Bulletin 1992/37

(43) Date of publication A2:
29.04.1992 Bulletin 1992/18

(21) Application number: 91510002.8

(22) Date of filing: 24.10.1991
(51) International Patent Classification (IPC)5: G01N 9/00, G01N 33/42
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 24.10.1990 ES 9002698

(71) Applicant: ASFALTOS ESPANOLES, S.A. (ASESA)
E-43006 Tarragona (ES)

(72) Inventors:
  • Torres Estrada, Josep
    E-43001 Tarragona (ES)
  • Ramos Triguero, Alfonso
    E-43003 Tarragona (ES)
  • Gonzalez Escoda, Josep Ma
    E-43001 Tarragona (ES)
  • Peralta Huguet, Xavier
    E-43004 Tarragona (ES)

(74) Representative: Ferregüela Colon, Eduardo 
Provenza 304
08008 Barcelona
08008 Barcelona (ES)


(56) References cited: : 
   
       


    (54) Feeder device of samples for vibrating tube electronic densimeters


    (57) A sample feed device for vibrating tube electronic densimeters, of the type comprising a measuring cell (1), provided with a charge port (2) and a discharge port (3). The device comprises a heat-insulated block (4) provided with an upper port (5) and a lower port (8) communicating over passages (6) and (9) with charge and discharge (10) ports capable of being engaged with the corresponding ports (2) and (3), there being provided a suction chamber (11) having an inlet port (12) connected to the port (8) and an open end (13), fitted to a collector container (14), provided with a suction port (15) connected to suction means (16). The block (4) and the cell (1) are held at a constant temperature throughout the test.
    Applicable to the determination of the density of highly viscous products such as bitumens.






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